
Residents of Upper Siang district in Arunachal Pradesh felt the ground shake shortly before six in the morning on 6 August, when a tremor measuring 5.1 on the magnitude scale hit at…
Residents of Upper Siang district in Arunachal Pradesh felt the ground shake shortly before six in the morning on 6 August, when a tremor measuring 5.1 on the magnitude scale hit at 5.45 am, The Economic Times reported, citing the National Center for Seismology's assessment. Seismologists placed the quake's source 11 kilometres underground, centred about 116 kilometres to the north-northwest of the town of Pangin, per officials, it ranked as the most powerful in a run of shocks that had already begun before sunrise, and no immediate reports surfaced of casualties or damage to property. Ahead of the main shock, seismic instruments had already picked up three smaller foreshocks of 2.8, 3.2 and 2.8 magnitude, and a further aftershock measuring 3.5 followed at 7.17 am, with officials saying they would keep watching the area closely. Sitting inside what is classified as Seismic Zone-V, the district is no stranger to such activity, a consequence of the ongoing collision between the Indian and Eurasian tectonic plates.

The absence of reported casualties or damage rests on early checks in a district where remote terrain can delay fuller assessments, so the initial picture may still change. Three recorded foreshocks ahead of the main 5.1-magnitude tremor, followed by a 3.5-magnitude aftershock roughly ninety minutes later, point to an active sequence rather than an isolated event. Arunachal Pradesh's location in Seismic Zone-V, where the Indian and Eurasian plates meet, makes further tremors in the area unsurprising. Whether the National Center for Seismology logs additional aftershocks beyond the 7.17 am tremor is the next reading this account leaves to be taken.
Source: economictimes.indiatimes.com
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